The system uses the MCU AT89S52 as the control unit to fulfill the basic control functions of electronic scales. The hardware part consists of the minimum system board, data acquisition, man-machine interface of three parts.
Minimum system component is to extend the external data storage, data acquisition in part by the pressure sensor, signal processing and the first class A / D conversion parts.
Man-machine interface for the keyboard part, 128 64 dot matrix liquid crystal display, a visual display for easy to use.
8051 Microcontroller based digital weighing scale 1.0
The system uses the MCU AT89S52 as the control unit to fulfill the basic control functions of scale.